{
  "fix": "RHSA-2026:67463",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67463",
  "summary": "RHSA-2026:67463, released August 13, 2026, fixes 21 CVEs in rsync (version 3.5.0-3.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "rsync security update",
  "released": "2026-08-13T14:46:50Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-53791, rated Critical",
  "supported": true,
  "cveCount": 21,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00641,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:67463",
  "appliesTo": [
    {
      "product": "rsync",
      "productUrl": "https://patchblox.com/security/product/linux/rsync",
      "release": "RHEL 10",
      "fixedVersion": "3.5.0-3.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-53791",
      "url": "https://patchblox.com/security/cve/CVE-2026-53791",
      "title": "rsync \u003C 3.5.0 Daemon IP Spoofing via PROXY Protocol Header",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.1,
      "epss": 0.00501,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70452",
      "url": "https://patchblox.com/security/cve/CVE-2026-70452",
      "title": "rsync 3.1.0 \u003C 3.5.0 Access Control Bypass via DNS Resolution Failure",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.2,
      "epss": 0.00462,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70460",
      "url": "https://patchblox.com/security/cve/CVE-2026-70460",
      "title": "rsync 2.3.3 \u003C 3.5.0 Path Traversal via --partial-dir/--backup-dir Symlink",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.2,
      "epss": 0.00448,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70464",
      "url": "https://patchblox.com/security/cve/CVE-2026-70464",
      "title": "rsync 2.0.0 \u003C 3.5.0 Connection Slot Exhaustion DoS via Handshake Stall",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00641,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53790",
      "url": "https://patchblox.com/security/cve/CVE-2026-53790",
      "title": "rsync \u003C 3.5.0 Command Injection via Multiple Code Paths",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00629,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70461",
      "url": "https://patchblox.com/security/cve/CVE-2026-70461",
      "title": "rsync 3.2.5 \u003C 3.5.0 Heap Out-of-Bounds Write via files-from Entry",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.0057,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70455",
      "url": "https://patchblox.com/security/cve/CVE-2026-70455",
      "title": "rsync 3.4.2 \u003C 3.5.0 DoS via --zt Zstandard Compression Thread Exhaustion",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00566,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70453",
      "url": "https://patchblox.com/security/cve/CVE-2026-70453",
      "title": "rsync \u003C 3.5.0 Algorithmic Complexity DoS via hash_search()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00525,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53795",
      "url": "https://patchblox.com/security/cve/CVE-2026-53795",
      "title": "rsync \u003C 3.5.0 Arbitrary File Write via --temp-dir/--link-dest",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00396,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70456",
      "url": "https://patchblox.com/security/cve/CVE-2026-70456",
      "title": "rsync 3.0.1 \u003C 3.5.0 Heap Out-of-Bounds Write via read_args()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00396,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70458",
      "url": "https://patchblox.com/security/cve/CVE-2026-70458",
      "title": "rsync 3.0.0 \u003C 3.5.0 Out-of-Bounds Write via FLAG_HLINKED Handling",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00396,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53793",
      "url": "https://patchblox.com/security/cve/CVE-2026-53793",
      "title": "rsync \u003C 3.5.0 Path Confinement Bypass via /./ Boundary Marker in Chroot Mode",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00393,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70457",
      "url": "https://patchblox.com/security/cve/CVE-2026-70457",
      "title": "rsync 3.2.3\u00A0\u003C 3.5.0 Out-of-Bounds Write via parse_size_arg()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53783",
      "url": "https://patchblox.com/security/cve/CVE-2026-53783",
      "title": "rsync \u003C 3.5.0 TOCTOU Race Condition Directory Escape via rrsync",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00374,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70463",
      "url": "https://patchblox.com/security/cve/CVE-2026-70463",
      "title": "rsync: rsync 3.1.0 before 3.5.0\u00A0contains an authorization bypass in auth users directive parsing",
      "priority": "High",
      "severity": "important",
      "cvss": 8.2,
      "epss": 0.00364,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53789",
      "url": "https://patchblox.com/security/cve/CVE-2026-53789",
      "title": "rsync \u003C 3.5.0 Arbitrary File Deletion via Malicious File List",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00357,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53784",
      "url": "https://patchblox.com/security/cve/CVE-2026-53784",
      "title": "rsync \u003C 3.5.0 Path Traversal via Symlink Module Root",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00238,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53802",
      "url": "https://patchblox.com/security/cve/CVE-2026-53802",
      "title": "rsync \u003C 3.5.0 Arbitrary File Read via Symlink Following",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00238,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53803",
      "url": "https://patchblox.com/security/cve/CVE-2026-53803",
      "title": "rsync \u003C 3.5.0 Symlink Following Arbitrary File Overwrite",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00229,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53785",
      "url": "https://patchblox.com/security/cve/CVE-2026-53785",
      "title": "rsync \u003C 3.5.0 Path Traversal Write Escape via --relative Mode",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-70454",
      "url": "https://patchblox.com/security/cve/CVE-2026-70454",
      "title": "rsync \u003C 3.5.0 TLS Certificate Validation Bypass via SSL/OpenSSL Mode",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.0019,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}